What can be the timezone and how we can set in php for Indonasia

We are setting the timezone in PHP as below for india and singapore

date_default_timezone_set('Asia/Singapore');
date_default_timezone_set('Asia/Kolkata');

But for Jakarta i didn’t manage to find the code for timezone.
can someone help to set jakarta timezone or particular bunch

Try this:

date_default_timezone_set('Asia/Jakarta');

Check the Php Timezone list